Keyboard for control desk



FIG. 1 is a top plan view of a keyboard for control desk showing my new design;

FIG. 2 is an enlarged detailed view of a portion of the keyboard for control desk illustrated in FIG. 1; and,

FIG. 3 is another enlarged detailed view of a portion of the keyboard for control desk illustrated in FIG. 1.

The broken lines are only used to show the boundaries of the enlarged detailed portions thereof and form no part of the claimed design. 

The ornamental design for a keyboard for control desk, as shown and described. 